Seiko Cal. 5612 - 891

Seiko 5612-891

The 5612-891 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5612 caliber with 30j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-a4065ca1039a]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
42mm
Case Thickness
11.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Green
Jewels
30j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1979

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seikata-wm-a4065ca1039a